History ShoutOut / HeyArnold

** Episode plot is also like the plot of ''WesternAnimation/TaleSpin'' episode "''All's Whale That End's Whale''."

** ''Website/{{Yahoo}}!'' is also a multinational internet search site.

* The song in the commercial Mariam was shooting is called '''Beepers Are A Girl's Best Friend''' parodies the song "''Diamonds Are A Girl's Best Friend''" from ''Literature/GentlemenPreferBlondes''.

* Some noises from the arcade games are taken from UsefulNotes/{{Atari 2600}} version of ''VideoGame/PacMan''.

** Helga's line “Just call me . . . Deep Voice" is a verbatim of the transmission "Just call me Deep Throat" after [[VideoGame/MetalGearSolid2SonsOfLiberty Raiden]] gets a codec.
* The "sneeze" sound effect in the [[Creator/{{Nickelodeon}} Nickelodeon Studio]] vignette originates from UsefulNotes/{{Nintendo 64}} video game ''[[VideoGame/{{GoldenEye|1997}} GoldenEye]]''.

* One episode has a restaurant called ‘Mr. Chickens House Of Pancakes And Halibut’ which is a take on the restaurant chain ''Roscoe's Chicken And Waffles''.

* One episode has Big Bob watching [[Series/WheelOfFortune The Wheel]] complete with the trademark sound effect.

* One episode has Big Bob watching [[''Series/WheelOfFortune'' The Wheel]] complete with the trademark sound effect.

* One episode has Big Bob watching [[''Series/WheelOfFortune The Wheel]] complete with the trademark sound effect.

* Quigley stadium very closely resembles Tiger Stadium, home of the UsefulNotes/{{Detroit}} [[MLBTeams Tigers]].
* Fictional baseball team [[{{Expy}} Hillwood Black Sox]] is a reference to the UsefulNotes/{{Boston}} [[UsefulNotes/MLBTeams Red]] [[UsefulNotes/{{Baseball}} Sox]].

* Grandma Pookie is seen wearing a shirt with a logo circled with the “Black Sox” surrounding a picture of a black sock, a reference to the UsefulNotes/{{Boston}} [[UsefulNotes/MLBTeams Red]] [[UsefulNotes/{{Baseball}} Sox]].

* During the montage, Arnold and Grandpa Phil see a movie with a [[Film/SafetyLast man hanging from]] [[Film/BackToTheFuture a clock tower]].

* Nancy Spumoni is a reference to Nancy Sinatra who is the real life daughter of Music/FrankSinatra, she is presumably related to Dino Spumoni who is an expy of Sinatra.

* Just like [[WesternAnimation/{{Arthur}} Binky Barnes]], Harold [[CharacterDevelopment first starts as a bully before slowly becoming friends]] with the main protagonist. Harold looks and sounds quite similar to Binky as well.

* Mr. Hyunh says he is from UsefulNotes/{{Vietnam}}.

* 'Onomatopoeia' means “words that sound like the sounds they represent.”

* The phone number on the “Have You Seen This Pig” billboard is FiveFiveFive-Pork.

* Phoebe has encyclopedic knowledge of [[UsefulNotes/{{Italy}} Italian]] sauces.

[[AC:Biosquare]]
* 'Bio Square' could mean . . .\\
\\
. . . a variation of “biosphere,” an experiment where a number of people planned to live about a year in an entirely self-contained collection of building where even the air and water were recycled from inside . . .\\
\\
. . . and the movie ''Film/BioDome''.

* It’s revealed Mr. Hyunh gave his two-four year old daughter to American soldiers during the [[UsefulNotes/TheVietnamWar Fall of Saigon]] in 1975 to secure her safety.

[[AC:Career Day]]
* Helga knows [[https://en.wikipedia.org/wiki/Jujutsu Jujitsu]].

* While quizzing Helga, Phoebe asks "What type of cheese is [[UsefulNotes/TheNetherlands Holland]] famous for?" to which Helga guesses "Glockenspiel?" Though 'Glockenspiel' isn't even a type of cheese; it is a keyboard instrument with a set of metal bars, also known as orchestra bells. For the real answer, it’s Dutch cheese.

* When telling what work Helga had to do, “Big” Bob Pataki there was a three day weekend sale coming up, referring to [[UsefulNotes/ChristmasInAmerica Black Friday]].

* Names of Phoebe’s parents are [[Music/RebaMcEntire Reba]] and [[Manga/FruitsBasket Kyo]] Heyerdahl.

* The paper towel holder in the bathroom has “[[Creator/HannaBarbera HB]]” carved into it, though it may refer to Harold Berman.

[[AC:Polishing Rhonda]]
* Because Patty’s parents are much shorter than their daughter, they may suffer from dwarfism.

* Both Phil and Martin Johanssen, Gerard’s dad, were both Privates in the [[UsefulNotes/YanksWithTanks U. S. Army]], but are not promoted until the end of UsefulNotes/WorldWarII and [[UsefulNotes/TheVietnamWar Vietnam War]], respectively.

* The armband of the Nazi soldiers is a sad face. This replaces the real Nazi armband of a swastika that had been used by UsefulNotes/NaziGermany from 1933 until 1945, or UsefulNotes/AdolfHitler's death, as it may have caused some controversy, most especially in Germany as well as in several other countries that implemented anti-Nazi laws such as Austria and Poland if they decided to use the real symbol. It is also important to note the swastika is not of German origin as the swastika has many Asian variants.